Low-voltage drawer type power distribution cabinet device for power distribution

Abstract

The utility model relates to the technical field of power distribution cabinets, in particular to a low-voltage drawer type power distribution cabinet device for power distribution, which comprises a main body unit, the main body unit comprises a cabinet body and a cabinet door rotatably connected to the cabinet body, a plurality of groups of drawers are slidably connected in the cabinet body, and a plurality of groups of symmetrical sliding frames are fixedly connected to two side walls in the cabinet body respectively. The two side walls of each drawer are fixedly connected with first sliding blocks in sliding connection with the corresponding sliding frames. The rotating unit comprises a plurality of groups of positioning columns and springs fixedly connected with one ends of the positioning columns, the positioning columns are embedded into the side wall of the drawer and are in sliding connection with the drawer, the other ends of the springs are fixedly connected with the drawer, a placing plate is fixedly connected between each group of sliding frames, and a fixing lug is fixedly connected with one end, close to the cabinet door, of the lower side wall of each placing plate. According to the utility model, the positioning column on the drawer is rotationally connected with the cylindrical hole in the sliding block, so that the pitch angle of the drawer can be rotationally adjusted after the drawer is pulled out in a sliding manner, and the limiting rod is arranged to limit the pitch angle of the drawer, so that a worker can adjust the angle of the drawer at will, and electrical parts in the drawer can be conveniently maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution cabinets, in particular to a low-voltage drawer-type power distribution cabinet device for power distribution. Background Art

[0002] With the rapid development of science and technology in my country, the low-voltage distribution cabinet market in my country has maintained a rapid growth trend with the construction and implementation of smart grids, infrastructure, manufacturing and new energy industries. Low-voltage complete switchgear and control equipment are commonly known as low-voltage switchgear, also known as low-voltage distribution cabinets. The rated current of the low-voltage distribution cabinet is AC 50Hz, and the rated voltage of the distribution system is 380v. As the power, it has strong breaking capacity, good dynamic thermal stability, flexible electrical scheme, convenient combination, strong series and practicality, and novel structure. Low-voltage distribution cabinets are suitable for power plants, petroleum, chemical, metallurgy, textile, high-rise buildings and other industries, and play the role of power transmission, distribution and power conversion.

[0003] Low-voltage distribution cabinets can be divided into two types based on their structure: fixed type and drawer type. The fixed type can ensure that each electrical component is reliably fixed at a certain position in the cabinet. The cabinet is generally cubic in shape, with single rows and rows. The drawer-type distribution cabinet is a relatively advanced distribution cabinet. This type of distribution cabinet includes a cabinet and several distribution units. The distribution unit consists of a drawer frame and a drawer. Electrical components and power supply lines are installed in the drawer cabinet. Multiple drawer cabinets are arranged in the entire distribution cabinet to protect the electrical components. A slide rail is arranged in the cabinet, and a slider that is slidably assembled with the slide rail is arranged at the bottom of the drawer to realize the sliding assembly between the drawer and the cabinet.

[0004] For low-voltage drawer-type distribution cabinet devices used for power distribution, when electrical components in the drawer need to be inspected and replaced, the drawer cabinet panel can often only be slid out horizontally. In particular, when repairing electrical components in higher-level drawers, since the horizontal height of the electrical components in the drawer is too high, the staff needs to raise their arms for a long time to inspect or maintain the internal electrical components, which increases the staff's workload and leads to low efficiency in the maintenance of electrical components in the distribution cabinet device. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In view of the above problems existing in the existing low-voltage drawer-type distribution cabinet device for power distribution, the present utility model is proposed.

[0007] Therefore, the purpose of the utility model is to provide a low-voltage drawer-type distribution cabinet device for power distribution, which is suitable for solving the problem that the horizontal height of the electrical components in the drawers is too high, and the staff need to raise their arms for a long time to inspect or maintain the internal electrical components.

[0008] In order to solve the above technical problems, the utility model provides the following technical solutions: a low-voltage drawer-type power distribution cabinet device for power distribution, comprising:

[0009] The main unit comprises a cabinet body and a cabinet door rotatably connected to the cabinet body, wherein a plurality of drawers are slidably connected to the cabinet body, a plurality of symmetrical sliding frames are fixedly connected to the two side walls of the cabinet body, and a first sliding block slidably connected to the corresponding sliding frame is fixedly connected to the two side walls of each drawer;

[0010] The rotating unit includes multiple groups of positioning columns and springs fixedly connected to one end of the positioning columns, the positioning columns are embedded in the side walls of the drawer and are slidably connected to the drawer, and the other end of the spring is fixedly connected to the drawer. A placement plate is fixedly connected between each group of the sliding frames, and multiple groups of fixing ears are fixedly connected to one end of the lower side wall of the placement plate close to the cabinet door. A cylindrical hole matching the size of the positioning column is opened at one end of each of the sliding frames close to the cabinet door, and a second sliding block is slidably connected in each of the cylindrical holes, and each of the second sliding blocks is fixedly connected to a corresponding connecting block through a first connecting rod, and a limiting rod is penetrated on one side of each of the connecting blocks close to the cabinet door, and the limiting rod is threadedly connected to the connecting block, and one end of each of the connecting blocks away from the corresponding first connecting rod is fixedly connected to the second connecting rod.

[0011] As a preferred solution of a low-voltage drawer-type distribution cabinet device for power distribution described in the utility model, wherein: the upper side wall of the cabinet is fixedly connected to a cover plate, the lower side wall of the cabinet is penetrated by a fan, and the two side walls of the cabinet are provided with multiple groups of evenly distributed rectangular openings, and the two side walls of the cabinet are slidably connected with baffles, each of the baffles penetrates multiple groups of sliding frames on the corresponding side, and the baffles are provided with openings matching the rectangular openings on the cabinet, and the lower side wall of the cabinet is fixedly connected to a dual-axis drive motor, and gears are fixedly connected to the output shafts of the dual-axis drive motors, and racks meshing with the gears are arranged on the side walls of the baffles.

[0012] As a preferred solution of a low-voltage drawer-type distribution cabinet device for power distribution described in the utility model, multiple sets of protective covers are fixedly connected to the outer walls on both sides of the cabinet body, the protective covers correspond one-to-one to the rectangular openings on the side walls of the cabinet body, and the lower side walls of the protective covers are hollowed out.

[0013] As a preferred solution of a low-voltage drawer-type distribution cabinet device for power distribution described in the utility model, each of the placement plates and the lower side wall of the drawer is provided with multiple groups of mutually matching circular openings, and the side wall of the drawer away from the cabinet door is provided with multiple groups of line inlets.

[0014] As a preferred solution of the low-voltage drawer-type distribution cabinet device for power distribution described in the utility model, wherein: the second connecting rod passes through the corresponding fixed ear, and the second connecting rod is slidably connected to the fixed ear.

[0015] As a preferred solution of the low-voltage drawer-type distribution cabinet device for power distribution described in the utility model, a dustproof net is fixedly connected and installed in each rectangular opening on the cabinet body, and a corresponding dustproof net is also fixedly connected at the connection between the lower side wall of the cabinet body and the fan.

[0016] The beneficial effects of the utility model are as follows: by pulling the corresponding two second connecting rods closer to each other, the second limit block will squeeze the positioning column out of the cylindrical hole, and the drawer can be slid out at this time, and the drawer can be pulled out horizontally. After the first sliding block slides out of the corresponding sliding frame, the positioning column on the rear side of the drawer will be inserted into the cylindrical hole to limit the drawer so that the drawer will not slide down. At the same time, the drawer can also be rotated at a pitch angle, which is convenient for maintenance and repair by the staff. By rotating the limit rod on the connecting block, the telescopic length of the limit rod is adjusted, and one end of the limit rod is against the lower side wall of the drawer, thereby limiting the pitch angle of the drawer, so that the staff can adjust the drawer angle at will, and will not cause inconvenience to the staff for maintenance due to the drawer being too high. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0018] Figure 1 This is a schematic diagram of the overall structure of a low-voltage drawer-type power distribution cabinet device for power distribution proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of a main unit of a low-voltage drawer-type power distribution cabinet device for power distribution proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of a rotating unit of a low-voltage drawer-type power distribution cabinet device for power distribution proposed by the utility model;

[0021] Figure 4This is a schematic diagram of the cross-sectional structure of the drawer bottom of a low-voltage drawer-type power distribution cabinet device for power distribution proposed by the utility model;

[0022] Figure 5 The utility model provides a partial structural schematic diagram of a rotating unit of a low-voltage drawer-type power distribution cabinet device for power distribution.

[0023] Description of the drawings: 100 main unit, 101 cabinet body, 102 cabinet door, 103 cover plate, 104 cabinet foot, 105 drawer, 106 first slider, 107 sliding frame, 108 fan, 109 baffle, 110 dual-axis drive motor, 111 gear, 112 protective cover, 200 rotating unit, 201 positioning column, 202 spring, 203 placement plate, 204 fixing ear, 205 second slider, 206 first connecting rod, 207 connecting block, 208 second connecting rod, 209 limiting rod. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0027] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will be partially enlarged compared to the general ratio, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0028] Example

[0029] Reference Figure 1-Figure 5 , which is an embodiment of the utility model, provides a low-voltage drawer-type distribution cabinet device for power distribution, including a main unit 100 and a rotating unit 200.

[0030] The main unit 100 includes a cabinet 101 and a cabinet door 102 rotatably connected to the cabinet 101. A plurality of drawers 105 are slidably connected in the cabinet 101. A plurality of symmetrical sliding frames 107 are fixedly connected to the two side walls of the cabinet 101. A first sliding block 106 slidably connected to the corresponding sliding frame 107 is fixedly connected to the two side walls of each drawer 105.

[0031] The rotating unit 200 includes a plurality of groups of positioning columns 201 and a spring 202 fixedly connected to one end of the positioning column 201. The positioning column 201 is embedded in the side wall of the drawer 105 and is slidably connected to the drawer 105. The other end of the spring 202 is fixedly connected to the drawer 105. A placement plate 203 is fixedly connected between each group of the sliding frames 107. A plurality of groups of fixing ears 204 are fixedly connected to one end of the lower side wall of the placement plate 203 close to the cabinet door 102. A cylindrical hole matching the size of the positioning column 201 is opened at one end of each of the sliding frames 107 close to the cabinet door 102. A second slider 205 is slidably connected in each of the cylindrical holes. Each of the second sliders 205 is fixedly connected to a corresponding connecting block 207 via a first connecting rod 206. A limiting rod 209 is penetrated through one side of each of the connecting blocks 207 close to the cabinet door 102. The limiting rod 209 is threadedly connected to the connecting block 207, and one end of each connecting block 207 away from the corresponding first connecting rod 206 is fixedly connected to the second connecting rod 208. By making the two second connecting rods 208 approach each other, the two second sliding blocks 205 are driven to extrude the positioning column 201 from the cylindrical hole. At this time, the drawer 105 can be pulled out horizontally. After the first sliding block 106 slides out of the corresponding sliding frame 107, the positioning column 201 on the rear side of the drawer 105 will be inserted into the cylindrical hole, so that the drawer 105 will not slide. At the same time, the drawer 105 can also rotate the pitch angle, which is convenient for the staff to maintain and repair. By rotating the limiting rod 209 on the connecting block 207, the telescopic length of the limiting rod 209 is adjusted, and one end of the limiting rod 209 is against the lower side wall of the drawer 105, thereby limiting the pitch angle of the drawer 105;

[0032] The upper side wall of the cabinet 101 is fixedly connected with a cover plate 103, the lower side wall of the cabinet 101 is penetrated with a fan 108, the two side walls of the cabinet 101 are provided with multiple groups of evenly distributed rectangular openings, baffles 109 are slidably connected to the two side walls inside the cabinet 101, each of the baffles 109 penetrates multiple groups of sliding frames 107 on the corresponding side, and the baffles 109 are provided with openings matching the rectangular openings on the cabinet 101, and the lower side wall inside the cabinet 101 is fixedly connected with a dual-axis drive motor 110, and the dual-axis drive motor 110 outputs The shafts are respectively fixedly connected with gears 111, and the side walls of the baffles 109 are provided with racks meshing with the gears 111. The two baffles 109 are driven up and down by the dual-axis driving motor 110, so that the rectangular opening on the cabinet 101 can be blocked or connected by the baffles 109, thereby realizing the control of the opening and closing of the vents. The dual-axis driving motor 110 is started to slide the two baffles 109, and the openings on the baffles and the corresponding rectangular openings of the cabinet 101 will be staggered with each other, so that the rectangular openings of the cabinet 101 are closed, thereby achieving the effect of dust and moisture prevention. The outer walls on both sides of the cabinet 101 There are multiple sets of protective covers 112 fixedly connected to the upper part, and the protective covers 112 correspond to the rectangular openings on the side walls of the cabinet one by one, and the lower side walls of the protective covers 112 are hollowed out to prevent rainwater from flowing into the cabinet 101 from the rectangular openings of the cabinet 101 when it rains heavily. Each placement plate 203 and the lower side wall of the drawer 105 are provided with multiple sets of circular openings that match each other, and the side wall of the drawer 105 away from the cabinet door 102 is provided with multiple sets of wire inlets. The circular openings can allow more air to contact the electrical components in the drawer 105, achieving a better ventilation and heat dissipation effect, and the wire inlets are convenient for wiring. Accessed into the drawer 105, the second connecting rod 208 passes through the corresponding fixed ear 204, the second connecting rod 208 is slidably connected to the fixed ear 204, and the second connecting rod 208 is limited by the fixed ear 204, so that the second connecting rod 208 can drive the second slider 205 to slide smoothly. A dustproof net is fixedly connected and installed in each rectangular opening on the cabinet 101, and a corresponding dustproof net is also fixedly connected at the connection between the lower side wall of the cabinet 101 and the fan 108. Dust-proof nets are set at the air inlet and outlet to prevent dust from entering the interior of the cabinet 102.

[0033] During use, the two positioning posts 201 at the front end of the drawer 105 are respectively embedded in the corresponding cylindrical holes to limit the drawer 105 to prevent the drawer 105 from accidentally or randomly sliding out. When the electrical components in the drawer 105 need to be repaired, the two corresponding second connecting rods 208 are manually pulled closer to each other, and the second limiting block will squeeze the positioning posts 201 out of the cylindrical holes. At this time, the drawer 105 can be slid out and pulled out. The drawer 105 is pulled out horizontally. After the first sliding block 106 slides out of the corresponding sliding frame 107, the positioning post 201 at the rear side of the drawer 105 will be inserted into the cylindrical hole, and the drawer 105 can be repaired. 105 is limited so that the drawer 105 will not slide down. At the same time, the drawer 105 can also rotate the pitch angle. By rotating the limit rod 209 on the connecting block 207, the telescopic length of the limit rod 209 is adjusted. One end of the limit rod 209 is against the lower side wall of the drawer 105, thereby limiting the pitch angle of the drawer 105, so that the staff can adjust the angle of the drawer 105 at will, and it will not cause inconvenience to the staff for maintenance because the drawer 105 is too high. The staff does not need to raise their arms to inspect or maintain the internal electrical components, which effectively reduces the work intensity of the staff.

[0034] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A low-voltage drawer-type power distribution cabinet device for power distribution, characterized in that: include: A main unit (100) comprises a cabinet (101) and a cabinet door (102) rotatably connected to the cabinet (101); a plurality of drawers (105) are slidably connected in the cabinet (101); a plurality of symmetrical sliding frames (107) are respectively fixedly connected to the two side walls in the cabinet (101); and a first sliding block (106) slidably connected to the corresponding sliding frame (107) is fixedly connected to the two side walls of each drawer (105); The rotating unit (200) comprises a plurality of groups of positioning columns (201) and a spring (202) fixedly connected to one end of the positioning column (201), wherein the positioning column (201) is embedded in the side wall of the drawer (105) and is slidably connected to the drawer (105), and the other end of the spring (202) is fixedly connected to the drawer (105), and a placement plate (203) is fixedly connected between each group of the sliding frames (107), and a plurality of groups of fixing ears (204) are fixedly connected to one end of the lower side wall of the placement plate (203) close to the cabinet door (102), and each of the sliding frames (107) close to the cabinet door (102) has a plurality of fixing ears (204) fixedly connected to the lower side wall of the placement plate (203). ) is provided with a cylindrical hole of a size matching that of the positioning column (201), a second slider (205) is slidably connected in each of the cylindrical holes, each of the second sliders (205) is fixedly connected to a corresponding connecting block (207) via a first connecting rod (206), a limiting rod (209) is provided through a side of each connecting block (207) close to the cabinet door (102), and the limiting rod (209) is threadedly connected to the connecting block (207), and a second connecting rod (208) is fixedly connected to one end of each connecting block (207) away from the corresponding first connecting rod (206).

2. A low-voltage drawer-type power distribution cabinet device for power distribution according to claim 1, characterized in that: The upper side wall of the cabinet (101) is fixedly connected with a cover plate (103), the lower side wall of the cabinet (101) is penetrated with a fan (108), the two side walls of the cabinet (101) are provided with multiple groups of evenly distributed rectangular openings, the inner side walls of the cabinet (101) are respectively slidably connected with baffles (109), each of the baffles (109) respectively penetrates multiple groups of sliding frames (107) on the corresponding side, the baffles (109) are provided with openings matching the rectangular openings on the cabinet (101), the inner lower side wall of the cabinet (101) is fixedly connected with a dual-axis drive motor (110), the output shafts of the dual-axis drive motor (110) are respectively fixedly connected with gears (111), and the side walls of the baffles (109) are provided with racks meshing with the gears (111).

3. A low-voltage drawer-type power distribution cabinet device for power distribution according to claim 2, characterized in that: A plurality of groups of protective covers (112) are fixedly connected to the outer walls on both sides of the cabinet (101); the protective covers (112) correspond one to one with the rectangular openings on the cabinet side walls, and the lower side walls of the protective covers (112) are hollowed out.

4. A low-voltage drawer-type power distribution cabinet device for power distribution according to claim 1, characterized in that: Each of the placement plates (203) and the lower side wall of the drawer (105) is provided with a plurality of groups of circular openings that match each other, and a side wall of the drawer (105) that is away from the cabinet door (102) is provided with a plurality of groups of wire inlets.

5. A low-voltage drawer-type power distribution cabinet device for power distribution according to claim 1, characterized in that: The second connecting rod (208) is arranged to pass through the corresponding fixing ear (204), and the second connecting rod (208) is slidably connected to the fixing ear (204).

6. A low-voltage drawer-type power distribution cabinet device for power distribution according to claim 2, characterized in that: A dustproof net is fixedly connected and installed in each rectangular opening on the cabinet (101), and a corresponding dustproof net is also fixedly connected at the connection between the lower side wall of the cabinet (101) and the fan (108).

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